let songModel = require('./database/model/songModel');
    // 7. 批量插入 model.insertMany([{},{}],callback)
    songModel.insertMany([{
        name:"不能说的秘密",
        singer:"周杰伦",
        price:29.9
    },{
        name:"牛仔很忙",
        singer:"周杰伦",
        price:39.9
    },
    {
        name:"霍元甲",
        singer:"周杰伦",
        price:49.9
    },
    {
        name:"本草纲目",
        singer:"周杰伦",
        price:59.9
    },{
        name:"夜曲",
        singer:"周杰伦",
        price:999.9
    }],(err,data)=>{
        if(err) return;

        console.log(data);
    })

// 单条数据插入
// songModel.create({
//     name:"发如雪",
//     singer:"周杰伦",
//     price:9.9
// })

// console.log("执行结束");